baber/WOPTO huggingface dataset:
Patent DE-4028298-A1 (DE)
Title: Automatic handling of stacks of books -  involves device which holds stack in place by suction to prevent damage to books
Inventor: ORTMANN PETER JOHANNES
IPC: B65G47/91
Filed: 1990-09-06
Abstract: The automatic device for handling stacks of books, consists of a chamber (2) with an adaptor plate (3) attached to its upper end. The adaptor plate enables the device to be fastened to the end of a robot arm. The chamber (2) is divided into small compartments by rows of horizontal tubes (6) which can be connected to a vacuum source. The tubes can be connected to the atmos. by a sliding shutter (9). The stack of books is placed on the platform (10) and the shutter raised to the height of the stack. The suction force exerted through the tubes (6) then holds the stack on the platform. USE/ADVANTAGE - Handling stacks of books without risk of damage to books.
Patent DE-4030066-A1 (DE)
Title: Combine harvester two=part front cutting unit -  performs simple conversion into position for road transport
Inventor: RISTIC STEVAN
IPC: A01D41/14
Filed: 1990-09-22
Abstract: The 2-part front cutting unit of a combine harvester has one part (1) which is movable in a straight line transverse to the machine frame, and the other part (2) can be swivelled about an axis (21). The second part (2) is articulated via a coupling (22) on a bearing block (6) which forms a fixed component of a travelling base, on which the transversely moving part (1) of the cutting unit is led. The axes of the coupling (22) are arranged so that the swivelling movement of part (2) is simultaneously matched to the straight-line transverse movement of part (1). USE/ADVANTAGE - The drive unit needed for conversion into the road-transport position is simplified, and thus the weight of the cutting unit is reduced.
Patent DE-4036140-A1 (DE)
Inventor: BUCHMANN BERND DR
IPC: A61K31/557
Filed: 1990-11-09
Abstract: The invention relates to 9-halogen-11 beta -hydroxy prostaglandin derivatives of formula (I) in which Z is the radical (a) or (b), Hal is an  alpha  or  beta -fixed chlorine or fluorine atom, R<1> is the radical CH2OH or (c), R<2> is a hydrogen atom, an alkyl, cycloalkyl, aryl or heterocyclic radical or R<1> is the radical (d), where R<3> is an acid radical or the radical R<2> and R<4> is a cycloalkyl group, and if R<2> is a hydrogen atom, their salts with physiological acceptable bases and their cyclodextrin clathrates, process for producing them and their pharmaceutical use.
Patent DE-4101514-A1 (DE)
Title: Partly-lined disc brake for wheel suspension - has shutter plate covering area of brake visible through rim opening
Inventor: KLIMT ULRICH
IPC: F16D55/226
Filed: 1991-01-19
Abstract: The partly lined disc brake for the wheel suspension in a vehicle has a brake support adjoining a brake disc, and a calliper displaceably mounted on the brake support. A shutter (11) is mounted on the side of the brake calliper (2) facing the rim so as to cover completely or partially from the outside the area of the disc brake which is visible through openings in the rim. The shutter (11) can be fixed on the brake support and can have an opening through which it is possible to check the state of wear of the brake shoe on the rim side. ADVANTAGE - This area around the rim is optically improved and dirt is prevented from penetrating.
Patent DE-4101767-A1 (DE)
Title: Flexible circuit board material with improved thermal properties
Inventor: GAZIT SAMUEL
IPC: H05K1/03
Filed: 1991-01-22
Abstract: Flexible circuit material composites comprise a substrate on at least a portion of the surface of which is a layer of conductive material. The substrate consists of a nonwoven web fabric impregnated with an epoxy resin having Tg in the range 10-60 deg.C. and a breadth of 20 to 30 deg.C.; contg. a fillter, which comprises 20-70 (pref. 40-50) wt.% of the total compsn., selected from inorganic fillers or fibres such that the coefficient of thermal expansion (CTE) in the Z direction of the circuit material is 100-300 ppm/deg.C.. Pref. the filler is coated with silane coupling agent. Opt. the substrate may incorporate a synergistic combination of antimony and brominated cpds. for flame-retardance.
Patent DE-4105410-A1 (DE)
Title: Poorly reflective optical damping member - is absorber shaped under heat to reduce unwanted reflection in light conductor section
Inventor: BOHNERT WERNER DIPL ING
IPC: G02B6/255
Filed: 1991-02-21
Abstract: The absorber has a light conductor section which is permanently shaped by heat treatment so that all modes emitted emerge from the core (1) of the fibre into the cladding (2). The absorber is pref. shaped to be permanently compressed or bent. ADVANTAGE - Simple inexpensively mfd. poorly reflective optical damper, esp. absorber.
Patent DE-4108077-A1 (DE)
Title: Remotely operated device for replacing chimney liners - is pneumatically operated with video camera following liner to be positioned exactly
Inventor: KUMMERT BERNHARD
IPC: E04G21/16
Filed: 1991-03-13
Abstract: Remotely operated placing device of installing chimney liners, especially on maintenance work. A cylinder (20), pneumatically operated by a compressed air feed (17) expands and contracts the operating diameter of a series of linked (7, 8, 9, 10) rails (5, 6). Outward pressure by these rails on the inner wall of a liner allows for a grip to be made and the liner to be positioned. A video camera (16) operating through a convex lens allows the operation to be remotely monitored. ADVANTAGE - Allows liners to be exactly positioned.
Patent DE-4111868-A1 (DE)
Title: Cleaning oil contaminated soil - by mixing soil with gas which absorbs oil
Inventor: DEHRMANN TILL
IPC: B01D11/02
Filed: 1991-04-11
Abstract: Oil contaminated soil is cleaned by placing the soil in a container (2) where it is held at a high temp. T1 and a pressure P1 while it is mixed with a gas (6), which is a solvent for the oil. The mixture of oil and gas then flows into a second container where it is subjected to a higher temperature T2 and a pressure P2. The higher temp. and pressure causes the gas to separate from the oil. The oil flows into an outer vessel 924) while the gas flows out through a pipe and can be re-used. The gas used is pref. propane. USE/ADVANTAGE - Cleaning of oil contaminated soil by mixing it with a gas and subsequent separation and re-use of the gas.
Patent DE-4113877-A1 (DE)
IPC: E04G13/02
Filed: 1991-04-27
Abstract: The invention relates to a work-platform (1) for the form of a corner, in particular for a column form in the so-called windmill principle. The work-platform (1) defines, in an L-shape, a recess (7), at the edges (5, 8) of which it is fixed to the form at at least three points (2, 3, 4). One of the three fixing points (4) is fixed to a beam (6) and is guided in the work-platform (1) so as to be displaceable into the recess (7), as a result of which the work-platform (1) can be adapted to column cross-sectional areas of different sizes. <IMAGE>
Patent DE-4126733-A1 (DE)
Title: Determining air filter contamination from radial velocity profile - using Hall effect sensor on fan motor for detecting movement of permanent magnet on deflected cantilever
Inventor: BENDER DANIEL PROF DIPL PHYS
IPC: B01D46/46
Filed: 1991-08-13
Abstract: An axial fan (14) driven by an electric motor (12) draws air through a filter blanket (16) into its housing (10) and expels it through a coaxial circular outlet (18). A clean filter givs practically laminar flow with a radial profile (20) of velocity corresp. to a constant direction. To detect turbulence arising from contamination of the filter, a naturally elastic leaf spring (24) cantilevered on the moro carries a small magnet (26) co-operating with the Hall effect detector (28). USE/ADVANTAGE - In switchgear cubicles and similar housing of electronic equipment; reliable and precise measurement is possible at reasonable cost.
Patent DE-4129399-A1 (DE)
Title: Machine for turning over pages of book - has grippers attached to moving belt with drive roller actuated by electric motor
Inventor: MINTE JOERG-PETER
IPC: B42D9/08
Filed: 1991-09-04
Abstract: The machine has a baseplate on which two spring-loaded platforms are mounted. The book (8) is placed on the platforms and is covered by two transparent belts (7) each of which has one end attached to a roller (5,6) driven by electric motors. The free end of each belt is attached to the edges of the page turning device. The page turning drive has two parallel bars defining a gap which extends in the direction of the page separating assembly. USE/ADVANTAGE - The machine may be used with photo-copiers or as an aid to the physically handicapped.
Patent DE-4131344-A1 (DE)
Title: Saw machine with sawing support - has guide device with associated clamp device formed by differential cylinder
Inventor: JENKNER ERWIN
IPC: B23D59/00
Filed: 1991-09-20
Abstract: The saw machine (1) has a lifting device and a guide device (14,15), for a raisable sawing support (3), which has a saw blade. The lifting device (14) is esp. formed as a working cylinder (4,5). The guide device (15) has an associated clamp device (22,23). This fixes the sawing support in a raised position. The clamp device is formed as a motor, acting on the guide device, and is located at right angles to it. The piston rod engages on the guide device. The motor may be formed as a differential cylinder. USE/ADVANTAGE - Sawing machine still gives precise cuts after long machining time.
Patent DE-4135264-A1 (DE)
Inventor: HEUSER WILFRIED DR
IPC: C09D167/08
Filed: 1991-10-25
Abstract: The invention relates to a process for incorporating a solvent-free finely divided siccative into a liquid coating material which contains an oxidatively drying binder. The object of the invention is to find a process and to provide an active substance which allow siccatives to be incorporated into a coating material without solvents and other undesired accompanying substances, but nevertheless fully effectively. In order to achieve this object, the invention proposes that the siccative, before incorporation into the coating material, is adducted onto solid particles serving as carrier and to be incorporated into the coating material, and that the active substance formed in this way is mixed into the liquid constituents of the coating material.
Patent DE-4135302-A1 (DE)
Inventor: ROHDE WILHELM
IPC: F25J3/04
Filed: 1991-10-25
Abstract: An installation and a process for the low temperature fractionation of air are described. A rectification column (2) is fed with fractionation air via an air pipe (3). It is provided with a nitrogen pipe (14) for the withdrawal of a nitrogen fraction and an oxygen pipe (10) for the withdrawal of an oxygen fraction and a liquid tank (1) for the storage of liquid nitrogen or oxygen, which is enclosed by a vacuum vessel (5). The liquid tank (1) is connected via a first feed pipe (11) to the upper region of the rectification column (2). According to the invention, the liquid tank (1) and the rectification column (2) are arranged in the interior of a shared vacuum vessel (5). <IMAGE>
Patent DE-4140438-A1 (DE)
Title: Siloxane deriv. of dicyclopentadiene - contg. quat. ammonium gps., for prodn. of surfactants
IPC: C07F7/08
Filed: 1991-12-04
Abstract: New siloxane derivs. of dicyclopentadiene, contg. quat. ammonium gps., have formula (I), where Y = lower alkyl or Ph; Z = Y or (Y)3SiO; m = 0-49; n = 1-50; m:n = 0-10; A = -O- or -OOC-; R1 = (CH2)r, -(CH2CH2O)r-(CH2)r, -(CH2CH2CH2O)r-(CH2)r, -CH2CH(OH)-CH2 or -(CH2)r-OOC-CH2; r = 1-10; B = -NR2R3R4 or gp. of formula (i); R2, R3, R4 = 1-4C (hydroxy)alkyl. USE/ADVANTAGE - (I) are used in prodn. of tensides. (I) have a wider range of use, and can be adapted to different applns. They are sol. in water and less polar organic solvents, and retain their strong surface activity.
Patent DE-4142094-A1 (DE)
Title: Data server for connection to digital subscriber interfaces - ensures readiness to receive from subscriber line, and renders buffered data accessible to personal computer
Inventor: GERST MARTIN DIPL ING
IPC: H04M11/00
Filed: 1991-12-19
Abstract: Only functional units which are essential to buffer storage of received data are included in appts. featuring an interface unit (SSE) with a system interface (Sys) and data-processing interfaces (DV-PS,DV-SS), and a memory (SPE) for structured data to be transmitted. A display (AZ) is employed in communicating internal states to the user, and a control unit (STE) with a processor (PRO) is programmed to achieve connections in the communication system, and to transfer data between the memory and interface unit. USE/ADVANTAGE - Esp. in private communication systems, reception of data over the network is ensured with min. restriction on availability of, e.g. personal computer.
Patent DE-4142096-A1 (DE)
Inventor: MITSCHAK HENRY
IPC: H02G15/04
Filed: 1991-12-19
Abstract: A cable end-closure seal for cylindrically plastic-sheathed current conductor or optical fibres, which seal is constructed as a cap which is proof against compressed air and is moisture-proof, can be pushed onto the cable end which is to be sealed and can be connected in a sealed manner to the cable sheath without filling with potting compound, and in which the integral cap has a blind hole which tapers conically and whose opening diameter is greater, and whose blind-hole end diameter is less than the external diameter of the cable, and which is provided with a conically running internal thread. In this case, the internal thread is preferably a sharp-edged tipped thread having an edge angle b of between 25 DEG  and 60 DEG , whose pitch is expediently 0.3 times to 3.0 times the external diameter of the cable. <IMAGE>
Patent DE-4142729-A1 (DE)
Title: Communications cable, for telephone, data, and TV - has copper@ conductor-carrying strands and optic fibre-carrying strands connected by link between outer insulating sheaths
Inventor: DELAGE PETER DIPL ING
IPC: H01B7/08
Filed: 1991-12-21
Abstract: The communications cable is formed from several strands connected to each other by webs, the strands being used as independent cables. One strand (1) contains a coaxial cable. Another strand (2) contains copper conductors, and another strand (3) contains optic fibres (5). The copper conductors may be twisted wires or a coaxial cable. The connecting links (7) between strands are of the same insulating material as the outer sheath (8) of each strand. Each strand has a traction relief element. The second strand has sector formed bundles with 50 copper pairs altogether for telephone transmission. The third strand contains 5 optical fibre bundles each with two optical fibres loosely arranged in a plastic sleeve. ADVANTAGE - Electrical and optical conductors integrated within one cable. Empty tubes can be incorporated in place of copper conductors, which can later have optical fibres pulled through.
Patent DE-4205137-A1 (DE)
Title: Flat hinge-mounted lamp e.g. for wall or ceiling - has diffuser with lamp in one edge and one side coated giving regular and diffuse reflecting areas
Inventor: WILLING ACHIM DR ING
IPC: F21V5/02
Filed: 1992-02-20
Abstract: A light diffuser with a lamp in at least one edge has one side covered with a white diffuse-radiating coating though with some parts not coated. These parts form regular reflecting areas. The subdivision between the two diffuse and regular reflecting areas is such there is no visible distinction from less than one metre away. The side opposite the diffuse reflecting side is a prismatic surface. Alternatively, there may be a prismatic surface on both sides. The diffuser is bent about either one or two axes and the edge opposite that containing the lamp is bevelled. There may be an additional reflector mounted near this edge for extra concentrated illumination. ADVANTAGE- Flat lamp with highly efficient non-dazzling illumination.
Patent DE-4205828-A1 (DE)
Inventor: RHEINBABEN FRIEDRICH VON DR
IPC: A01N59/06
Filed: 1992-02-26
Abstract: Disinfectants which are effective against unpackaged, hydrophilic and weakly lipophilic viruses contain in an aqueous, or preferably alcoholic, solution between 0.1-1 wt % (0.2-0.6 wt %) of basic or acidically hydrolysing salts of strong inorganic acids or weak organic acids, preferably chlorides, nitrates or sulphates of silver- or zinc anions or lactates. For the solutions, preference is given to 50-80 wt % low molecular weight aliphatic alcohols, preferably mixtures of ethanol and isopropanol in the ratio by weight of between 8:1 and 1:1
Patent DE-4207053-A1 (DE)
Title: Hydraulic car shock absorber with liq.contg.cylinder - has support and spacer made from two relatively centred, interconnected, moulded ring parts.
Inventor: ADRIAN ADOLF
IPC: B60G13/08
Filed: 1992-03-06
Abstract: One ring part (8) supports the cylinder guide (5) for the piston rod, and the oil seal (6) surrounding the piston rod is mounted between the two ring parts(8, 9).The first ring part has an  approx. L-shaped cross-section.  The other ring part  sealingly adjoins the inner wall of the damping cylinder (1). The operating chamber (7) of the damping cylinder is sealed by a seal (10) lying between the moulded ring parts on the inner wall of the damping cylinder.  The first ring part can have a ventilation bore (14) forming a duct between the ring chamber (15) of the oil seal and a compensating chamber (1,6).  The duct is closed on the side of the compensating chamber by a non-return valve. USE/ADVANTAGE - For single- and twin-tube shock absorbers,with rigid taking up of side forces and increased seal reliability.
Patent DE-4210539-A1 (DE)
Title: Jet pump for use in vehicle fuel tank - has membrane pump operating in parallel to give full flow even when vapour is present.
Inventor: GEBERT KLAUS
IPC: F04B23/10
Filed: 1992-03-31
Abstract: Jet pump arrangement in the fuel tank of a vehicle by means of which a fuel delivery flow is achieved using the flow of excess fuel returning from the vehicle engine, having a membrane pump (7) arranged in parallel with the jet pump (2). The working membrane (8) of the membrane pump is impacted by the pressure existing between a throttle (15) and a jet pump nozzle (4) in a section (16) of the return flow pipe (3). USE/ADVANTAGE - Jet pump in vehicle fuel tank ensures full fuel delivery flow even when vapour constituents are present in return pipe.
Patent DE-4211915-A1 (DE)
Inventor: SCHMITT VOLKER
IPC: H01H83/04
Filed: 1992-04-09
Abstract: A residual current device (10) moving and stationery contact elements (25, 23), the moving contact elements (25) being mounted on a contact lever (26) which is accommodated in a contact lever support (27). A sliding plate (16) is mounted on a guide plate (15), which sliding plates (16) is displaced over a projection (20) by a tab (29) on the contact lever support (27), in such a manner that a projection (34) which is located on the sliding plate (16) passes into the movement path of a test button (38) during the switching-off process, in such a manner that the test button can no longer be completely pressed in (depressed) in the switched-off state. In the switched-on state, the test button (38) can be pressed in completely, so that a test button circuit having a moving contact element (56) and a stationery contact element (54) can be closed. The sliding plate has a lug (17) which is located in front of an opening (13) which is located in the region of an opening (13) in the front wall (12) by painting the lug with different paints, it is possible to identify through the opening (13) whether the switch is in the switched-on or switched-off position. <IMAGE>
Patent DE-4212285-A1 (DE)
Title: Metal-ceramic sealing structure - consists of metal bars arranged to give cellular surface pattern
Inventor: PEPPLER WILHELM DIPL ING DR
IPC: F16J15/08
Filed: 1992-04-11
Abstract: The sealing device is for metal surfaces bearing against ceramic surfaces. It may prevent the escape of aggressive media, e.g. liq. sodium metal. The seal structure forms a large number of small cells, bounded by metallic bars (1) with an approx. square cross-section with straight sides, straight bottom surface (3) and a rounded top surface (3). The rates of the front surface area of the bars (1) to the free surface area of the cells is equal or less than 40:60 and the ratio of the height of the bars to their width is equal or less than 4:1. The metal bars may be made of nickel. USE/ADVANTAGE - Metal-ceramic sealing structure is proof against aggressive media, e.g. liq. sodium.
Patent DE-4212293-A1 (DE)
Title: Hand operated electric plane - has roller cutter shaped like frustum of cone revolving on inclined axle with respect to level sole plate
Inventor: LAUCKNER HELMUT DIPL ING DR
IPC: B27C1/10
Filed: 1992-04-11
Abstract: The plane is contained in a case (1) with a stirrup handle (2) on the top, a vertical side plate (21), and a fixed horizontal flat sole plate (20). The roller cutter (6) is frusto-conically shaped and revolves on inclined stub axles (24,25) seated in separate ball bearing races (16,17), with respect to the sole plate. The cutter (15) has an additional cutting edge at its end (9). The vertical side plate extends to adequately cover the outer end of the axle (25) and provide a collar (18) to cradle the ball bearing race (17). USE/ADVANTAGE - For manual power plane. Can cut rabbets of unlimited depths and gives stable positioning.
Patent DE-4217392-A1 (DE)
Title: Filling device  for passing powdered, granular or paste materials into valve sacks - has guide element  projecting into  worm screw to break up compacting materials and prevent blockages.
Inventor: SCHOECHE HORST DIPL ING
IPC: B65B37/10
Filed: 1992-05-26
Abstract: The vertical inlet (2) for the filling device passes into a horizontal housing (3,4,) which has an adjoining filler pipe (8). The conveyor screw (14) passes through the housing and filler pipe and has a circumferential cut out section (15) in the area between the inlet and filler pipe.  The guide element such as a radially adjustable bolt (16) is fixed on the housing and projects radially into the cut out section.  How far the bolt projects into the filling flow depends on the type of material. Several such guide elements can be spread evenly out round the circumference of the housing part (8).  A paddle grid with individual vanes can be used.  The blades are  mounted on radial shafts in the housing and can rotate between  a position axially parallel to the screw shaft and a position perpendicular to this axis where the aperture is completely closed. USE/ADVANTAGE- Smooth flow whereby the material is prevented from co-rotating with the screw.
Patent DE-4219384-A1 (DE)
Inventor: BAUER GERHARD DR
IPC: C08K5/32
Filed: 1992-06-13
Abstract: The invention concerns dispersions or solutions of a polymerizate, polycondensate or polyadduct formed by a radical reaction and including 0.001 to 20 % by wt. of aldehyde-CHO or ketone-CO-groups, the dispersion or solution containing as a cross-linking agent a compound with at least two H2N-O- groups or oxime ether groups derived therefrom.
Patent DE-4223245-A1 (DE)
Title: Preservation of mechanically prepared raw vegetables - using aq. soln. of sodium (hydrogen) carbonate, citric acid and alkali or alkaline earth metal
Inventor: SEIFFERT FRITZ
IPC: A23B7/148
Filed: 1992-07-15
Abstract: The aq. soln. to preserve mechanically cleaned and prepared and washed raw vegetables, contains sodium hydrogen carbonate and/or sodium carbonate, citric acid and at least one element from the group of alkali and alkaline earth metals. USE/ADVANTAGE - The solution is for the treatment of mechanically prepared vegetables before packing (claimed) as a preservative, especially raw potatoes and root vegetables without a health hazard.